My daughter, Davita, 24, is an avid and accomplished rock climber. She and her boyfriend, Ben, go on two to three month climbing trips around the country every year. They “send” their routes and “redpoint” their projects and otherwise master boulders and cliff-faces as much as a human being can. Davita’s calling—and her older sister, Gabrielle’s interest in climbing a few years earlier in the family chronology–has recently spilled over …